Portable heater.



w. l.- & E. 6. LANE.

PORTABLE HEATER.

A'PPLICATION FILED FEB. 2. 1-911.

Patented Nov. 13, 1917.

2 SHEETS SHEET I.

Mam" femaidfjalze WITNESS ATTORNEY W. I. & E. 6. LANE.

PORTABLE HEATER.

kPPLlCAIION man FEB.-2'. m1.

1,246,760. Patented Nov. 13, 1917.

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INVENTORS my g WITNESS ATTORNEY WILLIAM I. LANE AND EDWARD G. LA

PORTABLE Specification of Iietters Patent.

NE, or sou'rn oaanenivnw JERSEY.

HEATER.

Patented Nov. 13, 1917.

Application filed February 2, 1917. Serial No. 146,281.

To all whom it may concern:

Be it known that we, WILLIAM 1. LANE and EDWARD G. LANE, citizens of the United States, residing at South Orange, in the county of Essex and State of New Jersey, have invented new and useful Improvements in Portable Heaters, of which the following is a specification.

The present invention relates to improvements in portable heaters.

In carrying out our invention it is our purpose to construct a heater of a small and compact nature so that the same may be readily transported and which comprises one or a plurality of burners having a flexible pipe associated therewith whereby to be connected with an ordinary gas jet, the arrangement of the burners being such as to obtain a maximum amount of heat from a minimum amount of fuel.

It is also our purpose to construct a heater wherein the fuel is first admitted to a valved pipe or manifold and is from thence directed to a mixing chamber, the said chamber having its outer end provided with a removable tip that forms a partial obstruction to the gases whereby to restrict the passage of the gas through the said mixing chamber and tip, and consequently concentrate a comparatively large amount of gas in the said mixing chamber, whereby to increase the intensity of the flame when light is applied to the tip.

It is a further object of the invention to arrange above a valved source of fluid supply a mixing chamber having a restricted mouth or tip and to provide means whereby the said chamber may be adjusted toward or away from the source of supply, to regulate the amount of air admitted with the gas to the said chamber and consequently provide for the regulation of the intensity of the heat units, when flame is applied to the restricted outlet of the mixing chamber.

It is a still further object of the invention to produce a heater designed especially for use by watch makers, small manufacturers or machinists employed upon comparatively light machinery, such as typewriters or the like, that shall receive its fuel supply from an ordinary gas jet, which is provided with means whereby to regulate the intensity of the flame and also means for supporting articles to be heated by the said flame.

be of the ordinary construction.

It is a still further object of the invention to produce a heater of this character which shall embody the desirable features of simplicity in construction, cheapness to manufacture and thorough effioiencyin operation.

With the above and other objects in view the improvement resides in the construction, combination and arrangement of parts set forth n the following specification and falling within the scope of the appended claims.

In the drawing: 7

Figure 1 is a perspective view of a heater constructed in accordance with the present invention,

Fig. 2 is an approximately central vertical longitudinal sectional view through the same, taken centrally through the supply manifold,

Fig. 3 is a transverse sectional view ap proximately on the line 3-3 of Fig. 2,

Fig. 4 is a transverse sectional view approximately on the line 47-41: of Fig. 2,

Fig. 5 is a horizontal sectional view approximately on the line 5-5 of Fig. 2, and

Fig. 6 is a perspective view of one of the mixing chambers.

Preferably, but not necessarily, we employ a substantially square base 1 preferably constructed of wood or some other like material and upon the underface of the same and adjacent the corners thereof we arrange legs or buffer members 2 so that injury from scratching, etc., will not be occasioned to the surface upon which the device rests.

Upon the auxiliary base 1 is base 3 of the heater proper. The base is preferably of a rectangular formation and is constructed from some suitable light material, metal preferred. The base 3 is provided interiorly with a longitudinally arranged chamber or manifold 4, a threaded orifice communicating therewith and to which is secured a pipe section 5 having a valve 6, and to the pipe section outward of the valve is connected a T 7, having a short pipe member secured to its offset branch and to the said short pipe is connected an elbow that is directed vertically with respect to the base and has secured thereto a valved pipe provided with a burner 7, and the tip 8 may To the is secured the flexifree end provided secured the 90 outer branch of the T ble pipe 8 having its with the usual compressible sleeve or gasket that is designed to frictionally engage with the burner of the house gas supply.

The top of the base 3 of the heater is provided with any desired number of threaded openings, preferably three in number, as disclosed by the drawings and which openings receive the threaded shanks of nut members 10, the outer and closed faces of the said nuts being communicating with the manifold or chamher 4.

To one side of each of the referred to nuts, the base of the burner has arranged thereon upright members in the nature of studs or sleeves 12, and centrally as well as removably pivoted one to each of said uprights is a valve operating member or handie 13. Each of the handle'members has the portion thereof disposed over the respective nuts flattened to provide resilient elements which are adapted to exerta tension in the direction of the nuts. The nuts provide the seats for the valves, and the referred to flattened portions of the'handles at points thereof designed to lie directly above the orifice in the valve seats is formed with an opening that may be'threaded and which is adapted to receive the stem let of a valve 15. The valve comprises a fiat memher and preferably has its underface centrally concaved, and while the spring end of each of the handles exerts a tension against the fiat valve normally sullicient to at all times retain the same in proper engagement with the valve seat, the stem of the said valves may be threaded to engage in the referred to threaded openings in the handles and by adjusting the said valves, a proper tension will at all times be obtained between the valve and the seat therefor. The handle members 13 are limited in their movement in one direction through the medium of an upstanding member in the na ture of fingers or pins 16 arranged upon the base of the furnace and to one side of the uprights to which the handles is pivoted, while the base, to the opposite side of the referredto uprights or sleeves are provided with openings 17 and the said base, diamet rically opposite the referred to openings 17 and to the opposite sides of the respective valve seats is provided with additional openings 18. The openings 17 and 18 are adapted to receive the leg members 19 provided upon collars or sleeves 20, and to these sleeves are removably connected the tubular mixing chambers 21. In most instances the legs, frictionally engagingrwith the walls provided by the openings 18 and 17, a'lford means whereby the mixing chambers may be adjusted vertically upon the base of the burner with respect to the valves, but, if

desired, the legs 19 may be threaded and horizontally straight and being centrally provided with an orifice 11 may have screwed thereon nuts 21 which, contacting with the base, positively effect in sustaining the mixing chambers properly adjusted with respect to the base of the urner.

The outlet or upper ends of each of the tubular mixing chambers has arranged therein a tip 22, the "inner end of the said tip providing an obstruction for the source of gas and air admitted to the said chamber, and having a tendency to restrict the free outlet of the said fuel adds to the intensity of the flame when the fuel is ignited. As disclosed by the drawings the tips 22 upon the outer tubular mixing chambers have their outer portions inclined toward the tip of the central mixing chamber and by this means it will be noted that the flame from all of the tips may be'concentrated between the said tips.

Upon one of the outer mixing tubes is removably arranged a bracket 24,-, the same being designed as a support for the tool or other device to be heated from the flame of the heater, the said bracket having its hori zontal portion preferably provided adjacent its inner corner with a pivoted plate 25, the opposite ends of which beingupset and centrally slotted, as at 26, while the outer end of the said horizontal member of the bracket is also upset and slotted, as at 27. The member 25 may be swung upon its pivot so as to accommodate comparatively large tools if desired, while small tools are received within the notches in the upset ends of the said member.

The single burner, heretofore referred to, and connected with the T and the elbow of the supply pipe has arranged thereon spaced disks, indicated by the characters 27 and 28, the said disks being connected in any suitable or desired manner such as for instance by rods 29. The upper disk 28 is pro vided with a plurality of spaced openings arranged equally distant from the center of the disk through which are passed the legs 30 of the mixing chamber 31. The legs 30 are threaded and have screwed thereon nuts 32 which engage with both the upper and lower surfaces of the said upper disk where by to provide for the adjustment of the mixing chamber with respect to the burner. In this instance the tip 33 of the burner is provided with a central restrictedoutlet orifice which, of course, is arranged centrally with respect to the mixing tube or chamber. The mixing chamber is also provided with a but terfly valve 34 operable by a suitable handle 35 provided upon the exterior of the said mixing chamber, and removably securedto the mixing chamber is a bracket 36'de'signed to supportthe tools or other devices to be heated by the flame of the burner.

It is to be understood that the mixing chambers associated with the manifold of the heater may, if desired, be provided with butterfly valves similar to that just described, the same being indicated by the dotted lines and referred to by the characters 37, and it is also obvious that tips such as those previously described may be arranged upon the outlet end of the mixing chamber 81 and that the mixing chambers arranged above the heater proper may have straight tips similar to that shown in the intermediate mixing chamber, instead of the angular tips, as when a comparatively large area of flame is desired.

Having thus described the invention, what we claim is:

1. In a portable gas heater, a base having an interior chamber and connected with a source of fuel supply, a ported valve seat removably and adjustably connected with the base and communicating with the chamber, a flat valve for the seat, a pivoted handle adjustably connected with the valve, means for limiting the swinging of the handle, and a mixing tube disposed above the valve.

2. In a portable gas heater, a base having a chamber therein, and communicating with *he source of fuel supply, a ported member providing a valve seat secured upon the base and communicating with the chamher, a fiat valve for the seat, a pivoted handle including a spring member connected with the valve, and a tubular mixing chamber disposed above the valve.

3; In a portable gas heater, a base having a chamber therein, and communicating with the source of fuel supply, a ported member providing a valve seat secured upon the base and communicating with the chamber, a

Copies of this patent may be obtained for fiat valve for the seat, a pivoted handle including a spring member connected with the valve, a tubular mixing chamber disposed above the valve, and a butterfly valve in the mixing chamber.

4. In a portable gas heater, a base having a chamber therein, and communicating with the source of fuel supply, a ported member providing a valve seat secured upon the base and communicatin with the chamber, a flat valve for the seat, a pivoted handle including a spring member connected with the valve, a tubular mixing chamber disposed above the valve, a butterfly valve in the mixing chamber, and a tip in the outlet end of the chamber and providing the said outlet end with a restricted opening.

5. In a portable gas heater, a base having a chamber providing a manifold therein, a valved pipe connected with the source of fuel supply for the manifold, an offset pipe connected with the supply pipe and having a vertical extension, a valve tip upon the extension, an adjustable mixing tube arranged above the tip, a butterfly valve in the tube, ported members providing valve seats communicating with the manifold, fiat valves for each of the seats, a pivoted handle member for each of the valves, each of said handles having the portion thereof connected with the valve of resilient material, an adjustable mixing tube above each of the valves, a butterfly valve in each of the mixing tubes, and a tip for each of said tubes.

In testimony whereof we affix our signatures.

WILLIAM I. LANE. EDWARD G. LANE.

flve cents each, by addressing the Commissioner of Patents,

Washington, D. 0. 

